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Originally Posted by flyingbrick242
Pin 24 at idle 14.2v
Pin 17
Injector pulse disconnected 13.3v
Injector pulse connected 11.2v
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I think we might have discovered the problem. The differecne of voltage between pin 24 and pin 17 is outside our designed limits. There seem to be a dropof 0.9V between the two points. The design limit is 0.45V.
The best way to over comthis is by taking the 12V from the fuel injection +ve. (powering the DDs3's pin24). This way you willnot get the false trigger.
If you have time to look into this closely, check at each point of the electrical function between the Battery+ to the Injectot (+):
Battery -> FI relay -> Fuse -> fuel injector + , somewhere along this line, there is a high resistance junction. Or possibly the wire gauge is too thin. Another possibility is the fuel pump is load up the same supply anf drop it from 14.2V down to 13.3.
Alternatively, I can modify the v10 to suit your car. Either way, Try the first suggestion.